1 /*
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.apple.laf;
27
28 import java.awt.*;
29
30 import javax.swing.*;
31 import javax.swing.border.*;
32 import javax.swing.plaf.UIResource;
33
34 import apple.laf.JRSUIState;
35 import apple.laf.JRSUIConstants.*;
36
37 import com.apple.laf.AquaUtils.RecyclableSingleton;
38
39 public class AquaTableHeaderBorder extends AbstractBorder {
40 protected static final int SORT_NONE = 0;
41 protected static final int SORT_ASCENDING = 1;
42 protected static final int SORT_DECENDING = -1;
43
44 protected final Insets editorBorderInsets = new Insets(1, 3, 1, 3);
45 protected final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());
46
47 protected static AquaTableHeaderBorder getListHeaderBorder() {
48 // we don't want to share this, because the .setSelected() state
49 // would persist to all other JTable instances
50 return new AquaTableHeaderBorder();
51 }
52
53 protected AquaTableHeaderBorder() {
54 painter.state.set(AlignmentHorizontal.LEFT);
55 painter.state.set(AlignmentVertical.TOP);
56 }
57
58 /**
59 * Paints the border for the specified component with the specified
60 * position and size.
61 * @param c the component for which this border is being painted
62 * @param g the paint graphics
63 * @param x the x position of the painted border
64 * @param y the y position of the painted border
65 * @param width the width of the painted border
66 * @param height the height of the painted border
67 */
68 protected boolean doPaint = true;
69 public void paintBorder(final Component c, final Graphics g, final int x, final int y, final int width, final int height) {
70 if (!doPaint) return;
71 final JComponent jc = (JComponent)c;
72
73 // if the developer wants to set their own color, we should
74 // interpret this as "get out of the way", and don't draw aqua.
75 final Color componentBackground = jc.getBackground();
76 if (!(componentBackground instanceof UIResource)) {
77 doPaint = false;
78 jc.paint(g);
79 getAlternateBorder().paintBorder(jc, g, x, y, width, height);
80 doPaint = true;
81 return;
82 }
83
84 final State state = getState(jc);
85 painter.state.set(state);
86 painter.state.set(jc.hasFocus() ? Focused.YES : Focused.NO);
87 painter.state.set(height > 16 ? Widget.BUTTON_BEVEL : Widget.BUTTON_LIST_HEADER);
88 painter.state.set(selected ? BooleanValue.YES : BooleanValue.NO);
89
90 switch (sortOrder) {
91 case SORT_ASCENDING:
92 painter.state.set(Direction.UP);
93 break;
94 case SORT_DECENDING:
95 painter.state.set(Direction.DOWN);
96 break;
97 default:
98 painter.state.set(Direction.NONE);
99 break;
100 }
101
102 final int newX = x;
103 final int newY = y;
104 final int newWidth = width;
105 final int newHeight = height;
106
107 painter.paint(g, c, newX - 1, newY - 1, newWidth + 1, newHeight);
108
109 // Draw the header
110 g.clipRect(newX, y, newWidth, height);
111 g.translate(fHorizontalShift, -1);
112 doPaint = false;
113 jc.paint(g);
114 doPaint = true;
115 }
116
117 protected State getState(final JComponent jc) {
118 if (!jc.isEnabled()) return State.DISABLED;
119
120 final JRootPane rootPane = jc.getRootPane();
121 if (rootPane == null) return State.ACTIVE;
122
123 if (!AquaFocusHandler.isActive(rootPane)) return State.INACTIVE;
124
125 return State.ACTIVE;
126 }
127
128 static final RecyclableSingleton<Border> alternateBorder = new RecyclableSingleton<Border>() {
129 @Override
130 protected Border getInstance() {
131 return BorderFactory.createRaisedBevelBorder();
132 }
133 };
134 protected static Border getAlternateBorder() {
135 return alternateBorder.get();
136 }
137
138 /**
139 * Returns the insets of the border.
140 * @param c the component for which this border insets value applies
141 */
142 public Insets getBorderInsets(final Component c) {
143 // bad to create new one each time. For debugging only.
144 return editorBorderInsets;
145 }
146
147 public Insets getBorderInsets(final Component c, final Insets insets) {
148 insets.left = editorBorderInsets.left;
149 insets.top = editorBorderInsets.top;
150 insets.right = editorBorderInsets.right;
151 insets.bottom = editorBorderInsets.bottom;
152 return insets;
153 }
154
155 /**
156 * Returns whether or not the border is opaque. If the border
157 * is opaque, it is responsible for filling in it's own
158 * background when painting.
159 */
160 public boolean isBorderOpaque() {
161 return false;
162 }
163
164 /**
165 * Sets whether or not this instance of Border draws selected or not. Used by AquaFileChooserUI
166 */
167 private boolean selected = false;
168 protected void setSelected(final boolean inSelected) {
169 selected = inSelected;
170 }
171
172 /**
173 * Sets an amount to shift the position of the labels. Used by AquaFileChooserUI
174 */
175 private int fHorizontalShift = 0;
176 protected void setHorizontalShift(final int inShift) {
177 fHorizontalShift = inShift;
178 }
179
180 private int sortOrder = SORT_NONE;
181 protected void setSortOrder(final int inSortOrder) {
182 if (inSortOrder < SORT_DECENDING || inSortOrder > SORT_ASCENDING) {
183 throw new IllegalArgumentException("Invalid sort order constant: " + inSortOrder);
184 }
185
186 sortOrder = inSortOrder;
187 }
188 }